Remove hard-coded externaldns image versions

Related story: https://mirantis.jira.com/browse/PROD-22456

Change-Id: I7a0eb61cfc85ac71adc287bb9ee33e8c47cf9e97
diff --git a/classes/cluster/k8s-ha-calico-flannel-virtlet/kubernetes/init.yml b/classes/cluster/k8s-ha-calico-flannel-virtlet/kubernetes/init.yml
index 1997da5..c34e115 100644
--- a/classes/cluster/k8s-ha-calico-flannel-virtlet/kubernetes/init.yml
+++ b/classes/cluster/k8s-ha-calico-flannel-virtlet/kubernetes/init.yml
@@ -78,7 +78,7 @@
     calico_private_netmask: 16
 
     # component docker images
-    kubernetes_externaldns_image: mirantis/external-dns:latest
+
     kubernetes_externaldns_provider: coredns
 
     kubernetes_metallb_addresses_pool: 172.16.10.60-172.16.10.80
diff --git a/classes/cluster/k8s-ha-calico/kubernetes/init.yml b/classes/cluster/k8s-ha-calico/kubernetes/init.yml
index b2a42fe..21432ae 100644
--- a/classes/cluster/k8s-ha-calico/kubernetes/init.yml
+++ b/classes/cluster/k8s-ha-calico/kubernetes/init.yml
@@ -77,7 +77,7 @@
     calico_private_netmask: 16
 
     # component docker images
-    kubernetes_externaldns_image: mirantis/external-dns:latest
+
     kubernetes_externaldns_provider: coredns
 
     kubernetes_metallb_addresses_pool: 172.16.10.60-172.16.10.80
diff --git a/classes/cluster/k8s-ha-contrail-40/kubernetes/init.yml b/classes/cluster/k8s-ha-contrail-40/kubernetes/init.yml
index 8b1dd45..9248a8a 100644
--- a/classes/cluster/k8s-ha-contrail-40/kubernetes/init.yml
+++ b/classes/cluster/k8s-ha-contrail-40/kubernetes/init.yml
@@ -33,7 +33,7 @@
     kubernetes_netchecker_server_image: mirantis/k8s-netchecker-server:stable
     kubernetes_netchecker_agent_probeurls: "http://ipinfo.io"
     kubernetes_virtlet_image: mirantis/virtlet:v1.0.2
-    kubernetes_externaldns_image: mirantis/external-dns:latest
+
     kubernetes_externaldns_provider: coredns
 
     # switches of addons
diff --git a/classes/cluster/k8s-ha-contrail/kubernetes/init.yml b/classes/cluster/k8s-ha-contrail/kubernetes/init.yml
index 0c60de8..ac1de08 100644
--- a/classes/cluster/k8s-ha-contrail/kubernetes/init.yml
+++ b/classes/cluster/k8s-ha-contrail/kubernetes/init.yml
@@ -37,7 +37,7 @@
     kubernetes_netchecker_server_image: mirantis/k8s-netchecker-server:stable
     kubernetes_netchecker_agent_probeurls: "http://ipinfo.io"
     kubernetes_virtlet_image: mirantis/virtlet:v1.1.2
-    kubernetes_externaldns_image: mirantis/external-dns:latest
+
     kubernetes_externaldns_provider: coredns
 
     # switches of addons
diff --git a/classes/cluster/sl-k8s-calico/kubernetes/init.yml b/classes/cluster/sl-k8s-calico/kubernetes/init.yml
index 2560ec8..6b5fa3a 100644
--- a/classes/cluster/sl-k8s-calico/kubernetes/init.yml
+++ b/classes/cluster/sl-k8s-calico/kubernetes/init.yml
@@ -31,7 +31,7 @@
 
     kubernetes_criproxy_version: v0.11.0
     kubernetes_criproxy_checksum: md5=115bbb0c27518db6b0b3bc8cdc5fc897
-    kubernetes_externaldns_image: mirantis/external-dns:latest
+
     kubernetes_externaldns_provider: coredns
     kubernetes_metallb_addresses_pool: 172.16.10.60-172.16.10.80
 
diff --git a/classes/cluster/sl-k8s-contrail/kubernetes/init.yml b/classes/cluster/sl-k8s-contrail/kubernetes/init.yml
index 6ad9e8c..fdc84c0 100644
--- a/classes/cluster/sl-k8s-contrail/kubernetes/init.yml
+++ b/classes/cluster/sl-k8s-contrail/kubernetes/init.yml
@@ -20,7 +20,7 @@
     kubernetes_pause_image: docker-prod-virtual.docker.mirantis.net/mirantis/kubernetes/pause-amd64:v1.11.2-1
     kubernetes_netchecker_agent_image: quay.io/l23network/k8s-netchecker-agent:v1.0
     kubernetes_netchecker_server_image: quay.io/l23network/k8s-netchecker-server:v1.0
-    kubernetes_externaldns_image: mirantis/external-dns:latest
+
     kubernetes_externaldns_provider: coredns
 
     # switches of addons
diff --git a/classes/cluster/virtual-mcp11-k8s-calico/kubernetes/init.yml b/classes/cluster/virtual-mcp11-k8s-calico/kubernetes/init.yml
index 664a71b..c41f44d 100644
--- a/classes/cluster/virtual-mcp11-k8s-calico/kubernetes/init.yml
+++ b/classes/cluster/virtual-mcp11-k8s-calico/kubernetes/init.yml
@@ -82,7 +82,7 @@
     calico_private_netmask: 16
 
     # component docker images
-    kubernetes_externaldns_image: mirantis/external-dns:latest
+
     kubernetes_externaldns_provider: coredns
 
     kubernetes_metallb_addresses_pool: 172.16.10.60-172.16.10.80